34879951669 has 4 divisors (see below), whose sum is σ = 34902558496. Its totient is φ = 34857344844.

The previous prime is 34879951649. The next prime is 34879951787. The reversal of 34879951669 is 96615997843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96615997843 = 239 ⋅404251037.

It is a cyclic number.

It is not a de Polignac number, because 34879951669 - 2¹⁵ = 34879918901 is a prime.

It is a super-2 number, since 2×34879951669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34879951609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11301099 + ... + 11304184.

It is an arithmetic number, because the mean of its divisors is an integer number (8725639624).

Almost surely, 2^34879951669 is an apocalyptic number.

It is an amenable number.

34879951669 is a deficient number, since it is larger than the sum of its proper divisors (22606827).

34879951669 is a wasteful number, since it uses less digits than its factorization.

34879951669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22606826.

The product of its digits is 88179840, while the sum is 67.

The spelling of 34879951669 in words is "thirty-four billion, eight hundred seventy-nine million, nine hundred fifty-one thousand, six hundred sixty-nine".